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A 10 kg block is lowered down an incline with an angle of 40 degrees, and a distance of 9 m from point A to point B. A horizontal force F = 10 N is applied to the block between and as shown in the figure. The kinetic energy of the block at A is 20 J and at B, it is 30 J. How much work is done on the block by the force of friction between A and B? J

A 10 kg block is lowered down an incline with an angle of 40 degrees, and a distance of 9 m from point A to point B. A horizontal force F = 10 N is applied to the block between and as shown in the figure. The kinetic energy of the block at A is 20 J and at B, it is 30 J. How much work is done on the block by the force of friction between A and B? J

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A 10 k g block is lowered down an incline with an angle of 40 degrees, and a distance of 9 m from point A to point B . A horizontal force F = 10 N is applied to the block between and as shown in the figure.
The kinetic energy of the block at A is 20 J and at B , it is 30 J . How much work is done on the block by the force of friction between A and B ? ◻ J

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